Buoy



FIG. 1 is a perspective view of a buoy showing our design;

FIG. 2 is a first side view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a second side view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is another perspective view thereof;

FIG. 7 is another perspective view thereof, shown in a folded position;

FIG. 8 is a first end view of the design in FIG. 1;

FIG. 9 is a second end view thereof; and,

FIG. 10 is an enlarged detail view of FIG. 6. 

CLAIM The ornamental design for a buoy, as shown and described. 